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Mathematical model of Heat Transfer Coefficient through the annulus gap between concentric pipes filled with solid body:


LaTeX Math Block
anchorNu_ti
alignmentleft
U = \frac{\lambda}{

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r_

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{in} \

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cdot 

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\

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n (r_{out}/r_{in})} 


where

LaTeX Math Inline
body\lambda

thermal conductivity of
flowing fluid
the solid body

LaTeX Math Inline
body

d_hannular hydraulic diameter

--uriencoded--r_%7Bout%7D

inner radius of outer pipe

LaTeX Math Inline
body

\rm Nudimensionless Nusselt number (Nu)

--uriencoded--r_%7Bin%7D

outer radius of inner pipe


See also

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Physics / Thermodynamics / Heat Transfer /  Heat Transfer Coefficient (HTC) / Heat Transfer Coefficient (HTC) @model

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